package com.swufe.myapp;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.util.Log;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        TextView txt= findViewById(R.id.textView4);
        txt.setText("Happy New Year");
        Log.i("main","onClick");//日志处理
        Log.i(TAG, "onCreate: ");




    }
}